Meaning of lignin | Babel Free
/ˈlɪɡ.nɪn/Definitions
A complex non-carbohydrate aromatic polymer present in all wood.
uncountable, usually
Equivalents
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.